const float URL_READY_CANWRITE = 1;
const float URL_READY_CANREAD = 2;
// errors: -1, or negative HTTP status code
-USING(url_ready_func, void (entity handle, entity pass, float status));
+USING(url_ready_func, void(entity handle, entity pass, float status));
ERASEABLE
void url_single_fopen(string url, float mode, url_ready_func rdy, entity pass);